Improvement in tram-staves



S. B. WILLIAM S.

Tram-Staff. NO\4,355. v Patentedlune8,1875.

THE GRAPHIC C0.PHOTOLITH.39&41 PARK PLACE.N.Y.

UNrrEn #if PA'rENT @Errea SAMUEL B. WILLIAMS, OF BBIDGEPOR'I, OHIO,ASSIGNOR OF ONE-HALF HIS RIGHT TO SEYMOUR C. W. DUNLEVY, OF SAME PLACE.

IMPROVEMENT IN TRAM-STAVES.

Specification forming part of Letters Patent No. 164,355, dated June 8,1875; application tiled March 6, 1875.

To all whom it may concern:

Be it known that I, SAMUEL B. WILLIAMS, of Bridgeport, in the county ofBelmont and State of Ohio, have invented a new and Improved Tram-Stafffor Staffing Mill-Burrs, of which the following is a specication:

1n the accompanying drawing, Figure 1 represents a top view; Fig. 2, asectional side elevation of my improved staff for staffing mill-burrs,as applied to a bed-stone; and Fig. 3 shows the mode of applying it to arunner.

Similar letters of reference indicate corresponding parts.

The invention will first be fully described, and then pointed out in theclaim.

In the drawing, A represents a tram-statt' or guide-bar, which is aboutequal in length, more or less, to the diameter of the mill-burrs, so asto extend fully across the same.

The staff A is attached by rectangular brackets or irons B to the endsof branch arms C', of an upright standard, O, the angle-irons beingslotted and provided with clamp-screws c, for the purpose of adjustingthe stan" on the standard. Sleeve-shaped projections C2 at the centralpart of standard O, tit 011 a center shaft, D, that is either providedwith a hollow bell or tripod shaped part, D', with setscrews b, to beapplied to the spindle of the bed-stone, as shown in Fig. 2, or with acylindrical or four-pointed part, D', with set-screws fitting the eye ofthe runner, as in Fig. 3.

The center shaft D is set into a perfectly vertical position to the faceof the burrs byv revolving the stati" at some distance above the same,and adjusting a crank-screw, E, at the top of standard O until aregulating-quill or piece of steel, d, at the outer end of the staffforms an even contact at the circumference of the burr. In this mannerthe center shaft may be set by the adjusting-screws b more readily intovertical position on the burrs than by any other method.

The crank-screw E is applied at the top of standard C, and seatedconically or otherwise on the upper end of center shaft D, so as toraise or lower the standard O and staff A thereon. Staif A is lowered,after the vertical adjustment of the center shaft, unt-il it comes incontact with the burr. The set-screws in the angle-plates B of the staffare then loosened, so that the sta may tit itself to the face of theburr, after which the set-screws are tightened again, the tram-shaftattachment being then ready for use.

The straight statt' extending across the face is more reliable andpreferable than a short one, which has not the same degree of accuracy,while the independent working of the sta' admits of a truer and moreaccurate staftn g ofthe raised places, and, consequently, a morecomplete dressing of the burrs.

Having thus described my invention, I claim as new and desire to secureby Letters Patent- The combination of the tram staff A, bracket B,standard() O1 O2, shaft D D', and crank-screw E, all constructed andarranged substantially as and for the purpose specified.

SAMUEL B. WILLIAMS.

Witnesses:

J B. RoWLEs, F. C. RoWLEs.

